Lawn sprinkler



Jan. 8 1924.

8M M H Patented Jan. 8, 1924.

GEORGE WILLIAM COBLENTZ,

JOSEPH-ROLLINS FARIES, AND HENRY PAUL BOND, OF

TACOIVIA, WASHINGTON.

LAWN SPRINKLER.

Application filed October 12,1921. Serial No. 507,310.

To all 'whom-it may concern:

Be it known that we, GEORGE W. CoBLEN'rz, JOSEPH R. FARiEs,iand HENRY P.BOND, citizens of the United States, and residents of Tacoma, in thecounty of Pierce and State of Washington, have invented Va new andImproved Lawn Sprinkler, ofi which the following is a description. Y

Our invention relates to lawn sprinklers and more particularly torevolving sprinklers.v

The invention has for its general object to provide arevolving sprinklerimproved in various particulars whereby to provide novel means torevolve the sprinkler and to obtain an efficient discharge and spread ofthe water; aswell as with a view to so mount the revoluble elements thatthey may freely respond to the turning force of the water pressure.

The invention more specifically has for an object to provide a simpleconstruction of the parts making for convenience of assembling ordisassembling, or repair.

The nature of Ythev invention and its distinctive features andadvantages will clearly appear as the description proceeds.

Reference is to be had to the accompanying drawings, it being understoodthat the drawings are merely illustrative of one example of theinvention.

Figure 1 is a vertical Section of a lawn sprinkler embodying ourinvention;

Figure 2 is a horizontal section as indicated by the line 2 2, Figure 1;

Figure 3 is a plan view of the revolving head or water box.

In carrying out our invention in practice, a suitable base 10 isprovided, adapted to be set on a lawn to be watered and provided with aninlet 11 adapted to effect a connection with a hose. Rising from thebase and communicating with the inlet is a hollow standard 12 here shownas threaded at its lower end into the base 10.

A revolving head 14 is provided in the form of a water box closed exceptfor the provision of one or more annular series of holes 15 in the top14, said holes advantageously being formed in annular raised beads 16produced on the box 14a at the top, said openings 15 having in practicea lateral inclination for the effective distribution of the waterescaping through said holes under centrifugal force developed by the`revolvf ing box 14.' l

The top center' as at 17 the raised centerfhavingat thev underside abearing disk V18'r'evolubly resting upon the cap l19 of the standard 12.

ie' of' the 'box is instaat 'the At the bottom of the box 14 abearingmeans Y is provided which may, as shown, advanta-V geouslyconsist of a bushing 20 in a central opening in thebottom ofthe box 14and formed'with a'iiange 20a directedl laterally inward beneath a collar21 or the equivalent, said collar beingrigid with the standard 12. Thearrangement of the top and bottom bearings on the box 14 effectivelyprevents vertical displacement or .tilting of said box while providingbearings therefor.

For revolving the box 14 weV provide blades thereon at the interiordisposed: generally at an angle to ythe inner Surface of the box.V Saidvblades are designated generally by the numeral 22. VFlach blade22 isformed of side members at an yacuteV angle to each other presenting aconvergent Vvpocket therebetween," so asVto be convergent adjacent toVthe side wall of the box to which the blade is joined. The one sidemember, 23, of each blade is materially shorter and the other, longer,side is in two ,verticalik thereby presenting an intervening conver-ygent pocket. For directing water to the blades, 22, 23 we provide branchpipes 25 on the hollow standard 12. The branch pipes 25 extend radiallyoutward at oppositev sides of the standard 12 or approximately so inpractice, and the outer ends are turned laterally thereby forming nozzleends 26 on the branch pipes. At. the nozzle end of each branch pipe, thelatter is formed with a lip 27 at the inner side of the nozzle toprevent water from escaping laterally inward from the nozzle and causingit to be directed toward theside of the box 14 and the blades 22, 23thereof.

The arrangement of the branch pipes 25 and the blades is such that waterescaping from said branch pipes and striking the blades and sides of thebox 14 will cause said box to revolve. In the revolving of the box, as ablade moves past the nozzle end of a branch pipe 25, water will be firstdirected ,of lawn. Y

into thevpooketformed betweenr the longer and` shorter,l sides of' theyblade and as the longer side moves beyond the branch pipe, the WaterWill be directed to the pocket 24 between the longer side of the bladeandthe side Wall of the'box 14;,- so that the Water will be effectiveagainst one blade and thev box in the region of said blade until thenext blade comes into position to be subject to the Water escaping fromthe branch pipe.

The. provisiony of vthe box 14,' closed except for Yits dischargeopenings, results in the boxA beingmaintained sutliciently lilled With]Water so thatan ample volume of Water is always maintained at the jetorices 15 and spasmodic discharge of'vvvater from the jet orifices lismade impossible, the resultv being that steady; pressure serves to spraysteadily and continuously a large area We Would state in conclusionthatwhile theillustrated example constitutes a practical embodiment ofour invention, We do not limit ourselves to the exact details hereinillustrated,y since, manifestly, the same can be considerably VvariedWithout departure from the spirit ofthe invent-ion as dened in the.appended claims. V y

Having thus describedu our invention, We claim: Y

1 In asprinlrler, a Water box mounted to revolve `and having jetorifices atl the top, blades on the box at the interior, saidbladeshaving sides at an angle to the side Wall of the box and at an angle toeach other, the

sides of the blades being convergent toward said Wall, and means todirect vvater :under pressure into said box and against said blades.

2. In a .revoluble sprinkler, a Waterbox mounted to revolve and havingjet orices, blades on the box at the interior, said blades havinglongerand shorter sides, the sides of the blades being` convergent toward saidWall, and means to direct Water under pressure into said box and againstsaid blades.

3. Ina sprinkler, a revolubly mounted Water box having jet oriiices,blades on the box-at the interior, said blades -having inner and outerside members convergentk toward the side Wall of the. box andat ,anvangleto each other, the outer side of eachk bladebeingat an angle tosaid side Wall, and means to direct Water under pressure/into the boxand against said blade.

l. In a sprinkler, a revolubly mounted Water box having jet orilices,blades on the box at the interior, said blades having inner and outerside members convergent toward the side Wall of the box and at an angleto each other, the outer side member of each blade being longer than theinner side member, said longer side' of each blade being at an angle tothe side Wall of the box and forming With'said side Wall a pocket, andymeans to direct against said' blades. I

GEGRGE WILLIAM COBLENTZ.Vv JOSEPH ROLLIUBUE;` FARIES. HENRY PAUL BOND.

Water under pressure GliA

